DE2961024D1 - Microwave moisture measurement device with commutable measuring range - Google Patents

Microwave moisture measurement device with commutable measuring range

Info

Publication number
DE2961024D1
DE2961024D1 DE7979104245T DE2961024T DE2961024D1 DE 2961024 D1 DE2961024 D1 DE 2961024D1 DE 7979104245 T DE7979104245 T DE 7979104245T DE 2961024 T DE2961024 T DE 2961024T DE 2961024 D1 DE2961024 D1 DE 2961024D1
Authority
DE
Germany
Prior art keywords
measuring
resonator
microwave
sample
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE7979104245T
Other languages
English (en)
Inventor
Hans Georg Dr Fitzky
Jorg Michael Dr Soder
Franz Schmitt
Norbert Bollongino
Helmut Rehrmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahlo GmbH and Co KG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to DE7979104245T priority Critical patent/DE2961024D1/de
Application granted granted Critical
Publication of DE2961024D1 publication Critical patent/DE2961024D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04—Investigating moisture content

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Measuring Volume Flow (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE7979104245T 1978-11-11 1979-10-31 Microwave moisture measurement device with commutable measuring range Expired DE2961024D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE7979104245T DE2961024D1 (en) 1978-11-11 1979-10-31 Microwave moisture measurement device with commutable measuring range

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782848993 DE2848993A1 (de) 1978-11-11 1978-11-11 Mikrowellenfeuchtemessgeraet mit umschaltbaren messbereichen
DE7979104245T DE2961024D1 (en) 1978-11-11 1979-10-31 Microwave moisture measurement device with commutable measuring range

Publications (1)

Publication Number Publication Date
DE2961024D1 true DE2961024D1 (en) 1981-12-24

Family

ID=6054422

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19782848993 Withdrawn DE2848993A1 (de) 1978-11-11 1978-11-11 Mikrowellenfeuchtemessgeraet mit umschaltbaren messbereichen
DE7979104245T Expired DE2961024D1 (en) 1978-11-11 1979-10-31 Microwave moisture measurement device with commutable measuring range

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19782848993 Withdrawn DE2848993A1 (de) 1978-11-11 1978-11-11 Mikrowellenfeuchtemessgeraet mit umschaltbaren messbereichen

Country Status (5)

Country Link
US (1) US4270083A (de)
EP (1) EP0011185B1 (de)
JP (1) JPS5567642A (de)
AT (1) ATE304T1 (de)
DE (2) DE2848993A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220123A1 (de) * 1982-05-28 1983-12-01 Total Feuerschutz GmbH, 6802 Ladenburg Verfahren und vorrichtung zur feuchtigkeitsmessung
IL77207A (en) * 1985-12-03 1990-11-29 Benjamin Gavish Device and method for monitoring small displacements of a peak in a frequency spectrum
FR2619217B1 (fr) * 1987-08-04 1989-11-10 Aerospatiale Dispositif de mesure en continu du taux d'impregnation par une substance de fibres conductrices ou non d'electricite.
EP0325341B1 (de) * 1988-01-22 1992-05-13 United Kingdom Atomic Energy Authority Material-Charakterisierung
US4990858A (en) * 1989-05-25 1991-02-05 General Atomics Coaxial microwave asborption diagnostic
DE4004119A1 (de) * 1990-02-10 1991-08-14 Tews Elektronik Dipl Ing Manfr Verfahren zur messung der feuchte eines messgutes mit hilfe von mikrowellen und vorrichtung zur durchfuehrung des verfahrens
FR2661500B1 (fr) * 1990-04-25 1994-01-07 Aerospatiale Ste Nationale Indle Cavite hyperfrequence adaptee a la mesure des caracteristiques electromagnetiques d'un materiau filiforme en defilement.
AU648585B2 (en) * 1990-10-02 1994-04-28 Commonwealth Scientific And Industrial Research Organisation Moisture detection using a radio frequency resonator
DE4211362C2 (de) * 1992-04-04 1995-04-20 Berthold Lab Prof Dr Vorrichtung zur Bestimmung von Materialparametern durch Mikrowellenmessungen
US5473256A (en) * 1994-09-07 1995-12-05 Texaco Inc. Combination microwave waveguide and pressure barrier
US5838158A (en) * 1995-08-08 1998-11-17 Appleton Mills Measuring system for measuring the amount of dielectric in a web
EP0758085A3 (de) * 1995-08-08 1999-09-01 Appleton Mills Verfahren und Gerät zur Feuchtigkeitsmessung
US6163158A (en) * 1996-02-20 2000-12-19 Hauni Maschinenbau Ag Method of and apparatus for ascertaining at least one characteristic of a substance
US6204670B1 (en) * 1997-06-09 2001-03-20 National Research Development Corp. Process and instrument for moisture measurement
DE29716639U1 (de) * 1997-09-16 1999-01-21 Tews Elektronik, 22459 Hamburg Mikrowellen-Streufeldsensor zur Feuchte- und/oder Dichtemessung
CN100510724C (zh) * 2003-07-31 2009-07-08 王子制纸株式会社 水分量测量方法及装置
DE102007029908A1 (de) * 2007-06-28 2009-01-02 Tews Elektronik Dipl.-Ing. Manfred Tews Vorrichtung und Verfahren zur Masse- und/oder Feuchtemessung von dielektrischen Objekten
US8629681B1 (en) * 2009-05-18 2014-01-14 The United States Of America, As Represented By The Secretary Of Agriculture Microwave sensor and algorithm for moisture and density determination
DE102009024203B4 (de) * 2009-06-08 2013-01-24 Materialforschungs- und -prüfanstalt an der Bauhaus-Universität Weimar Mikrowellensensor und Verfahren zur Bestimmung dielektrischer Materialeigenschaften
FR2952719B1 (fr) * 2009-11-18 2012-01-13 Imiwave Dispositif micro-ondes de mesure sans contact du taux d'humidite dans un materiau et procede associe
DE102011083051A1 (de) * 2011-09-20 2013-03-21 Hauni Maschinenbau Ag Mikrowellenresonatorgehäuse
DE102013213936A1 (de) * 2013-07-16 2015-01-22 Hauni Maschinenbau Ag Anordnung und Verfahren zur Überprüfung von stabförmigen Artikeln der Tabak verarbeitenden Industrie
JP6376214B2 (ja) * 2014-03-26 2018-08-22 王子ホールディングス株式会社 液体中の水分測定装置および水分測定方法
CN104267047B (zh) * 2014-09-19 2016-09-28 国家电网公司 用于蒸汽湿度测量的可除水膜的微波谐振腔
CN104977311B (zh) * 2015-06-18 2017-12-26 四川莱源科技有限公司 雷达型微波测水仪器
JP6551052B2 (ja) * 2015-08-25 2019-07-31 王子ホールディングス株式会社 粉体中の水分率測定装置および方法
TWI810772B (zh) * 2021-12-30 2023-08-01 日揚科技股份有限公司 一種快速退火設備

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111384A (en) * 1963-12-05 1968-04-24 Microwave Instr Ltd Microwave apparatus for measuring moisture content
GB1106185A (en) * 1964-05-29 1968-03-13 Nils Bertil Agdur Device for measuring a property of a material
GB1030834A (en) * 1965-02-11 1966-05-25 Kenneth Edney Hancock Method and apparatus for measurement of moisture content
DE2031795A1 (de) * 1970-06-26 1972-01-13 Siemens Ag Hohlraumresonator
US3883798A (en) * 1972-05-04 1975-05-13 Hoffmann La Roche Free flow resonant cavity measuring apparatus
DE2340130C3 (de) * 1973-08-08 1979-08-09 Bayer Ag, 5090 Leverkusen Verfahren zur Bestimmung des Wassergehaltes von dünnen, flächenhaften Materialien
JPS5718136B2 (de) * 1973-11-27 1982-04-15
DE2529829A1 (de) * 1975-07-04 1977-01-27 Hartmann & Braun Ag Schaltungsanordnung fuer einen mikrowellen-gasanalysator mit einem hohlraumresonator
DE2714094C3 (de) * 1977-03-30 1980-04-17 Bayer Ag, 5090 Leverkusen Vorrichtung zur Bestimmung des Wassergehaltes von isotropen Materialien mit Hilfe der Mikrowellenabsorption

Also Published As

Publication number Publication date
JPS5567642A (en) 1980-05-21
EP0011185A1 (de) 1980-05-28
DE2848993A1 (de) 1980-05-22
US4270083A (en) 1981-05-26
EP0011185B1 (de) 1981-10-14
ATE304T1 (de) 1981-10-15

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: MAHLO GMBH & CO KG, 8424 SAAL, DE

8339 Ceased/non-payment of the annual fee